EXPERIMENTAL COMPARISON OF NON LINEAR THRESHOLD AND OPTIMUM PRE DISPERSION OF 43 GB/S ASK AND DPSK FORMATS
23 February 2004
43 Gb/s ASK and DPSK formats, each with 4 duty-cycles, are compared on single channel nonlinear impairments. We measured the nonlinear threshold, pre-dispersion optimum and tolerance and found a NLT benefit for DPSK up to 2 dB.